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1、吸声材料（结构）吸声系数表（1） 纤维材料及制品（未注明皆为驻波管值）材料（结构）名称厚度/kg体积密度/（kg/m2）下述频率/（Hz）的吸声系数备注125250500100020004000木丝板木丝：长80mm,厚0.5mm,宽5mm左右555552003004005006000.050.090.140.160.180.090.150.240.270.260.310.480.650.670.690.590.690.780.760.790.710.790.870.860.850.840.800.910.880.93木丝板木丝：长80mm,厚0.3mm,宽2mm左右5555520030040
2、05006000.070.100.160.130.180.100.170.220.250.270.320.500.700.720.740.570.700.820.790.800.770.800.870.840.850.840.810.910.880.93木丝板木丝：长80mm,厚0.5mm,宽2mm左右1.52.557.5104004004004004000.030.080.140.210.320.050.200.250.390.600.150.300.630.850.900.190.660.760.830.900.500.710.870.890.920.760.880.900.910.90水
3、泥、木丝板（表面喷薄浆）贴实1.54700.050.150.300.500.350.55后空30mm1.54700.100.100.200.550.600.65后空120mm1.54700.100.250.450.350.450.65大空腔1.54700.250.300.400.500.500.50贴实2.54700.050.150.300.500.700.65后空50mm2.54700.200.200.500.450.550.65大空腔2.54700.200.300.400.600.650.50半穿孔软枝木纤维板软枝木纤维板厚板材软枝木纤维板半穿孔软枝木纤维板1.31.31.93803800
4、.040.080.100.170.280.100.150.190.450.100.220.250.460.120.320.500.470.300.410.650.540.330.460.70混响室软质木纤维板贴钛白纸，后空50mm,孔深9mm中距20,mm6mm1.33200.250.350.300.400.450.60混响室3mm1.33200.250.350.350.350.350.40混响室海草（外包麻布）海草（外包麻布）海草（外包麻布）海草（外包麻布）海草（外包麻布）123451001001001001000.100.100.100.090.100.100.090.140.120.19
5、0.140.120.170.270.500.250.420.650.830.940.770.930.760.720.850.860.780.980.920.86麻绒（外包玻璃丝布）贴实5554050600.240.270.300.580.681.011.051.101.231.201.211.211.031.001.000.961.031.11混响室混响室混响室麻绒（外包玻璃丝布）后空100mm5050504050600.460.460.501.041.021.041.151.211.171.061.041.091.001.041.110.931.031.11混响室混响室混响室麻绒（外包玻璃丝
6、布）贴实1001001004050600.700.630.841.101.031.081.241.221.231.161.111.031.071.081.050.900.890.95混响室混响室混响室麻绒（外包玻璃丝布）后空10mm1001001004050601.061.151.181.151.061.161.161.061.091.101.101.071.021.031.000.910.950.91混响室混响室混响室棉絮25100.030.070.150.300.620.60毛毡151520233045224466881508037023080801601601601600.030.040
7、.070.070.040.080.040.090.180.330.060.060.260.170.170.340.080.250.470.690.170.140.420.320.560.680.210.610.830.840.420.360.400.450.650.650.510.950.920.870.650.630.550.560.810.830.940.920.920.940.730.920.560.690.910.88超细玻璃棉5070901001505070909090505050202020202025252515301217240.150.220.320.250.500.150.
8、230.320.250.280.060.060.100.350.550.800.600.800.290.670.850.850.570.100.190.300.850.890.730.850.850.850.800.700.840.540.680.710.850.850.810.780.870.850.830.770.800.820.700.980.980.850.860.930.860.870.860.870.860.890.910.820.930.610.850.860.84-0.850.80-0.900.900.85超细玻璃棉2020403020200.030.050.050.040.1
9、00.100.290.300.500.800.650.850.790.650.700.790.650.65混响室混响室混响室树脂玻璃棉板，树脂含量5%9%，纤维直径1315m30501001001001000.060.090.300.110.260.660.260.600.900.560.920.910.930.980.980.970.990.99防水超细玻璃棉毡5010020200.110.250.300.940.780.930.910.900.930.96-沥青玻璃棉毡，沥青含量2%5%，纤维直径1315m5050501001502000.090.110.140.240.330.420.5
10、50.650.680.930.910.800.980.960.880.980.980.94树脂玻璃棉板，树脂含量5%9%，纤维直径1315m505050505050100150200561101560.090.130.200.080.110.120.260.390.460.200.310.330.600.680.690.440.670.640.940.900.780.810.940.890.980.920.910.920.950.920.990.990.930.970.980.98沥青玻璃棉毡纤维直径13.6m19.0m30.0m42.0m50505050707070700.080.080.080.080.260.190.130.110.490.370.230.190.870.730.420.340.970.900.600.500.970.890.690.63矿渣棉602400.250.550.780.750.870.91北京产702000.320.630.760.830.900.92北京产801500.300.640.730.780.930.94北京产802400.350.650.650.750.880.92北京产803000.350.430.550.670.780.92
